单词：epithelial cell cast
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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
VOA2003（下）-环境与健康
For something that could revolutionize the world, its come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in space where they are still used today. Now, after yea
国家地理2008年
Pamela: [laughs] Did you see this tweet from Sarah? Shes so funny. Josh: Hold on. Im texting Lance. I want to make sure he knows where were meeting up. Pamela: [cell phone rings] Hello. Oh, hi Lance. Did you get Joshs text? You didnt? Let me IM you,
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Paul: I need a new cell phone plan. These roaming and overage charges are killing me! Shauna: I thought you had a good calling, messaging, and data plan. Paul: I do, but Im still going over each month. Shauna: Have you thought about a prepaid plan? Y
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Fay: Excuse me. Im in the window seat. Dustin: Oh, sure. Let me get up and let you in. Fay: Thanks. Dustin: Are you traveling on business? Fay: Yes, I am. Im changing planes in Denver on my way to South Carolina, and then Im off to Georgia on Wednesd
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By Carol Pearson Washington 25 September 2007 A lot of people wonder about the impact cell phones might have on their health. And now a new study shows that heavy mobile, or cell, phone use may result in hearing loss. VOA's Carol Pearson reports. As
2007年VOA标准英语（九月）
By Bill Rodgers Washington 19 May 2008 Cell phones are an example of what is sometimes now called leapfrog technology, a product that allows developing nations the benefits of a reliable and extensive communications network without the heavy investme
VOA标准英语2008年（五月）
Becky: Curt. Curt: Oh, hi. Becky: Can I talk to you for a minute? Curt: Im really busy right now. Becky: Just one minute. I promise it wont take long. Curt: Okay. Lets talk over here. Becky: Curt, Im really sorry that I told Joyce that you had a crus
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By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app
2007年VOA常速英语（十月）
By Paul Sisco Washington 17 April 2008 Federal regulators in Washington have approved plans to upgrade the nation's Emergency Alert System to include text messages to cellphones and other mobile devices. VOA's Paul Sisco has more in this Searching fo
VOA常速英语2008年（四月）
the die is cast是木已成舟、大局以定的意思。据牛津词典记载，“the die is cast”，这一成语是指骰子巳经掷出，犹如覆水难收一般。 这一成语在1592年上演的
英文名句短语
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
Charles: I dont know how long this power outage is going to last. Do you think we should call Elizabeth to tell her well be late for dinner? Jane: Thats a good idea. Do you know her phone number offhand? Charles: No, I dont, and I cant look it up in
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Carl: Im sorry, say that again. I couldnt hear you over that guy at the next table shouting into his cell phone. Stephanie: That guy is so rude. Were trying to have a leisurely conversation over a cup of coffee, and we have to out shout some inconsid
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Salesperson: Hi, have you been helped ? Greg: No, I havent. Im looking for a new phone. Salesperson: Are you with our company right now? Greg: No, Im thinking about switching . Salesperson: Okay, let me show you our most popular phone. This one has a
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Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
趣味英语
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻
I was looking forward to a quiet evening at home. As soon as I walked in the door, though, the phone rang. Paolo: Hello. Evelyn: Hi, could I speak to Tony? Paolo: Hes not here right now. Can I take a message? Evelyn: Do you know when hell be back? Pa
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Clint: Anya! Long time no see. Let me buy you a drink. Im celebrating. Anya: Oh, yeah? Whats the good news? Clint: My company has had a banner month. Since we launched our new line of software, were having trouble keeping up with demand . Every produ
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